/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/Plane.h
[FVec3](API\Runtime\ChaosCore\Chaos\FVec3) FindClosestPoint ( const [FVec3](API\Runtime\ChaosCore\Chaos\FVec3) & x, const [FReal](API\Runtime\ChaosCore\Chaos\FReal) Thickness ) const